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| Title | Publication | Publish Year |
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Distribution and Effectiveness in Pinus Sp. of a Water-Repellant Additive for Water-Borne Wood Preservatives
A water-repellent additive developed for use with waterborne copper-chrome-arsenate (CCA) preservatives was impregnated into blocks of Baltic redwood (Pinus sylvestris) 1.6 by 1.0 by 0.6 inch by a vacuum/pressure technique. […]
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Forest Products Journal | 1970 |
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Distribution and permanency of DDAC in southern pine sapwood treated by the full-cell process
The amount of didecyldimethylammonium chloride (DDAC) fixed in the springwood and summerwood components of southern pine sapwood was determined by analyzing the treated wood before and after exposure to liquid […]
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Forest Products Journal | 1991 |
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Distribution of Moisture in Treated and Untreated Poles
Ten-inch diameter pole stubs of messmate stringybark (Eucalyptus obliqua) were treated with creosote, treated with copper-chrome-arsenic, or left untreated as controls. Their ends were then embedded 3-feet deep in the […]
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Forest Products Journal | 1965 |
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Distribution of Pentachlorophenol in Pressure and Non-Pressure Treated Douglas-Fir Crossarms
A study was made to determine the relative value of pressure and non-pressure methods of treating Douglas-fir crossarms with pentachlorophenol particularly with regard to the relative retentions of preservative attained […]
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Forest Products Journal | 1955 |
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Does more preservative mean a better product?
Does more preservative provide better protection of wood products or does it disproportionately increase the potential for introducing pesticide into the environment? In an era of sensitivity about misuse of […]
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Forest Products Journal | 1999 |
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Douglas-Fir Plywood: Its Treated and Natural Resistance to Termites
Douglas-fir plywood test sections that included three treatments (two with preservatives, one control) were tested for resistance to subterranean termite attack by a laboratory method. The test differentiated between the […]
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Forest Products Journal | 1959 |
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Drying Southern Hardwood Timbers, Crossties, and Posts
Seasoning of wood can be accomplished by the natural flow of air from the environment in which the wood is placed or by some artificial means which simulates the natural […]
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Forest Products Journal | 1976 |
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Durability improvements for structural wood composites through chemical treatments
Structural wood composites are being increasingly used in exterior applications, which increases their exposure to decay fungi and insects. This month’s feature gives an overview of the range of chemical […]
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Forest Products Journal | 2005 |
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Durability of an extruded HDPE/wood composite
As a part of wood-plastic composite (WPC) material development, this research evaluated the resistance of WPC formulations to fungal decay and biocide leaching. In laboratory tests using small WPC samples […]
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Forest Products Journal | 2002 |
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Durability of CCA B Treated Plywood with Nonconforming Penetration Patterns
Pressure treatment of commercial plywood constructed of western wood species, which subsequently exhibited penetration patterns not meeting industry standards for preservative distribution, caused concern regarding projected use for All Weather […]
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Forest Products Journal | 1982 |
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Durability of Douglas-Fir Hop Poles Treated with Preservatives By Diffusion
Six groups of 20 poles each were observed during 14 years of service in an irrigated hop yard to compare the durability of preservative-treated and untreated round, unseasoned poles of […]
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Forest Products Journal | 1970 |
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Durability of heartwood in treated southern pine bulkheads
Many premature failures of southern pine timber bulkheads are attributable to marine borer attack on poorly penetrated heartwood. Incising with a very dense pattern and lengthening the pressure period improved […]
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Forest Products Journal | 1990 |
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Dyes for Preserving Wood
Southern pine blocks were treated with 41 textile dyes, weathered, and exposed to six wood destroying fungi. Triphenylmethane dyes were effective, and one, ethyl violet, is an efficient fungistatic compound […]
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Forest Products Journal | 1959 |
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Dynamic Transverse Compression of Spruce to Improve the Intake of Preservatives
Eastern white spruce lumber was subjected to dynamic transverse compression prior to impregnation with a waterborne preservative. For heartwood material conditioned to an average MC of 20 percent a deformation […]
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Forest Products Journal | 1970 |
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Effect of a Penta Emulsion on the Service Life of Douglas-Fir, Heartwood Posts
After 204 months, the condition of Douglas fir heartwood posts which had either been untreated, treated by a 48-hour soak in 5 percent pentachlorophenol, or treated by a 1/4- or […]
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Forest Products Journal | 1978 |
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Effect of Accelerated Fixation on Decay of CCA-Treated Wood
Hardwood (birch) and softwood (southern yellow pine) stakes were treated with chromated copper arsenate and fixed either at room temperature or by steaming. These stakes were subjected to testing in […]
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Forest Products Journal | 1983 |
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Effect of Alkaline Treatment on Decay Resistance of Wood
Laboratory tests were undertaken to determine if decay resistance of wood could be improved by alkaline treatment without heat and if a short soaking treatment could be effective. The wood […]
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Forest Products Journal | 1973 |
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Effect of Delay Between Treatment and Drying on Toughness of CCA-Treated Southern Pine
Small clear specimens of southern pine were treated with chromated copper arsenate (CCA) type C preservative, maintained in a saturated condition for various periods of time (time delay), and dried […]
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Forest Products Journal | 1983 |
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Effect of delayed drying time on copper distribution in the annual rings of ACQ-treated southern yellow pine research stakes
The copper in the new second-generation wood preservative systems for exterior residential applications in North America has been reported to require longer periods to fix in wood and to be […]
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Forest Products Journal | 2006 |
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Effect of Drying Temperature on the Clear Wood Strength of Southern Pine Treated with CCA-Type A
The objective of this work was to determine the effect of post-treatment drying on selected properties of small, clear southern pine specimens cut from dimension lumber previously treated with CCA. […]
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Forest Products Journal | 1986 |
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Effect of Final Steaming on Distribution and Permanence of Pentachlorophenol in Air-Seasoned Southern Yellow Pine Pole Sections Pressure Treated with Pentachlorophenol-Petroleum
After-treatment methods for conditioning pressure treated wood have gained importance in recent years. With steaming becoming the most popular final conditioning method, the effects of steaming on the preservative gradient […]
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Forest Products Journal | 1957 |
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Effect of glycol on movement of borate from fused borate rods
The effects of glycol compounds on borate distribution (as sodium borates) were investigated using Douglas-fir heartwood blocks conditioned to 30 or 60 percent moisture content (MC). Glycol had relatively small […]
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Forest Products Journal | 2002 |
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Effect of humic acid on leaching CCA from treated wood
It is known that organic acids are effective at extracting chromated copper arsenate (CCA) components from wood, so the effect of natural humic acids on leaching was studied in the […]
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Forest Products Journal | 2001 |
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Effect of Incising Beech Cross Ties
Italian beech cross ties were incised with standard AREA pattern using a homemade incising machine. The resulting incisions were not so deep as desirable and obtainable with a standard machine. […]
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Forest Products Journal | 1956 |
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Effect of Kiln-Drying on Distribution of BFCA Preservatives
In 5-cm beech wood the core retentions of components in BFCA formulation increased significantly with increasing diffusion time. All chemicals were redistributed, leading to core depletion during drying. This effect […]
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Forest Products Journal | 1975 |